CN113183846A - Vehicle-mounted food heating device capable of discharging peculiar smell and peculiar smell discharging method - Google Patents
Vehicle-mounted food heating device capable of discharging peculiar smell and peculiar smell discharging method Download PDFInfo
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- CN113183846A CN113183846A CN202110365296.7A CN202110365296A CN113183846A CN 113183846 A CN113183846 A CN 113183846A CN 202110365296 A CN202110365296 A CN 202110365296A CN 113183846 A CN113183846 A CN 113183846A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
- B60N3/16—Arrangements or adaptations of other passenger fittings, not otherwise provided for of cooking or boiling devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/008—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being air quality
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00821—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being ventilating, air admitting or air distributing devices
- B60H1/00835—Damper doors, e.g. position control
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H3/00—Other air-treating devices
- B60H3/0085—Smell or pollution preventing arrangements
- B60H3/0092—Smell or pollution preventing arrangements in the interior of the HVAC unit, e.g. by spraying substances inside the unit
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Abstract
The application relates to the technical field of vehicle accessories, discloses a can discharge on-vehicle food heating device of peculiar smell, contains: the food heating assembly comprises a heating pipe, a power pump and a food container with an upward opening, the food container is in a double-layer shell shape, the food container is connected with the power pump through the heating pipe to form a circulation loop, and the inside of the circulation loop is filled with a heat-conducting liquid medium; the heating pipe is wound outside an exhaust pipe of the vehicle; the peculiar smell discharging device comprises an ECU control center and a second layer of sealing cover; the second layer of sealing cover is arranged above the first layer of sealing cover, the side wall of the second layer of sealing cover is vertically provided with a first ventilating pipe, a second ventilating pipe and an electronic nose, and the electronic nose divides the smell into multiple stages; when the food is heated, the first layer of sealing cover is opened, the air conditioner in the car is opened until the electronic nose monitors that the odor grade is reduced to a set grade, and the second layer of sealing cover is opened. The application discloses food heating device can heat food in the car, can make the peculiar smell after heating food in time discharge again.
Description
Technical Field
The application relates to the technical field of vehicle accessories, in particular to a vehicle-mounted food heating device capable of discharging peculiar smell and a peculiar smell discharging method.
Background
At present, vehicles are more and more widely used, and the number of drivers is more and more, and the diet problem of the drivers on the vehicles is more and more prominent. Drivers face more common problems: some drivers who drive for a long time, such as taxi drivers, self-driving tours, outdoor exercises, long-distance trekking and the like, often cannot eat hot food when the drivers have a rest and eat the food during parking, which greatly affects the physical health of the drivers.
In the related art, some simple heating devices (such as food heating bags) are designed to heat food on a vehicle. The heating devices occupy small area, are convenient to use, and can well meet the requirement of a driver on eating hot food.
However, after the heating device heats the food, the peculiar smell generated by heating the food can be left in the vehicle for a long time and cannot be discharged, so that people feel uncomfortable. Therefore, how to design a device which can heat food and does not remain peculiar smell is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
To the defect that exists among the prior art, the aim at of this application provides a vehicle-mounted food heating device and peculiar smell discharge method that can discharge the peculiar smell, can heat food in the car, can make the peculiar smell after heating food in time discharge again.
In order to achieve the above purposes, the technical scheme is as follows: an in-vehicle food heating apparatus capable of discharging a bad smell, comprising: the food heating assembly comprises a heating pipe, a power pump and a food container with an upward opening, the food container is in a double-layer shell shape, the food container is connected with the power pump through the heating pipe to form a circulation loop, and a heat-conducting liquid medium is filled in the circulation loop; the heating pipe is wound outside an exhaust pipe of the vehicle; the top surface of the food container is provided with a first layer of sealing cover which can be opened and closed;
the peculiar smell discharging device comprises an ECU control center and a second layer of sealing cover which can be opened and closed; the second layer of sealing cover is arranged above the first layer of sealing cover, a first ventilating pipe, a second ventilating pipe and an electronic nose are vertically arranged on the side wall between the first layer of sealing cover and the second layer of sealing cover, and the electronic nose divides the odor generated by heating different types of food into multiple stages; the ECU control center is connected with the electronic nose and the air conditioner in the vehicle, the first ventilation pipe is communicated with the air conditioner in the vehicle, and the second ventilation pipe is communicated with the air exhaust port in the vehicle;
when the food in the food container is heated, the first layer of sealing cover is opened, the air conditioner in the car is opened, and the second layer of sealing cover is opened until the odor grade detected by the electronic nose is reduced to a set grade.
Preferably, the peculiar smell discharging device further comprises a motor, and the ECU control center controls the opening and closing of the first layer of sealing cover and the second layer of sealing cover through the motor.
Preferably, the first layer of sealing cover and the second layer of sealing cover are both split type sealing doors, and the first layer of sealing cover comprises a lower cover front cover, a lower cover rear cover, a lower cover upper slide rail and a lower cover lower slide rail; the lower cover upper slide rail and the lower cover lower slide rail are flush with the top opening of the food container, and the lower cover front cover and the lower cover rear cover can slide into the space between the lower cover upper slide rail and the lower cover lower slide rail;
the second layer of sealing cover is arranged in parallel to the first layer of sealing cover and comprises an upper cover front cover, an upper cover rear cover, an upper cover upper sliding rail and an upper cover lower sliding rail; the upper cover front cover and the upper cover rear cover can slide into the space between the upper cover upper slide rail and the upper cover lower slide rail.
Preferably, the odor discharging device further comprises a first motor, a second motor, a third motor and a fourth motor; the first motor, the second motor, the third motor and the fourth motor are all electrically connected with the ECU control center, the first motor is electrically connected with the upper cover front cover, the second motor is electrically connected with the upper cover rear cover, the third motor is electrically connected with the lower cover front cover, and the fourth motor is electrically connected with the lower cover rear cover.
Preferably, a front air door is arranged at one end of the first ventilating pipe, which is opposite to the air conditioner in the vehicle, and a rear air door is arranged at one end of the second ventilating pipe, which is opposite to the air exhaust opening in the vehicle;
the peculiar smell discharging device further comprises a fifth motor and a sixth motor, the fifth motor is respectively and electrically connected with the front air door and the ECU control center, and the sixth motor is respectively and electrically connected with the rear air door and the ECU control center.
Preferably, the peculiar smell discharging device further comprises an air humidity sensor, when the air humidity sensor monitors that the air humidity in the vehicle is larger than a preset value, the ECU control center controls the air conditioner in the vehicle to discharge water vapor out of the vehicle, when the air humidity sensor monitors that the air humidity in the vehicle is smaller than the preset value, the ECU control center controls the air conditioner in the vehicle to reduce the smell generated by heating food to a set level, and the second layer of sealing cover is opened to discharge the set level into the vehicle.
The application also discloses an odor emission method based on the vehicle-mounted food heating device, which comprises the following steps:
s1: opening the first layer of sealing cover and the second layer of sealing cover, and putting food;
s2: closing the first layer of sealing cover and the second layer of sealing cover, and heating the food to set time;
s3: the first layer of sealing cover is opened, the air conditioner in the car is opened until the electronic nose monitors that the peculiar smell is in a set level, and the air conditioner in the car is closed;
s4: opening the second layer of sealing cover and taking out the heated food;
s5: the first layer of seal cover and the second layer of seal cover are closed.
Preferably, the first layer of sealing cover and the second layer of sealing cover are both split type sealing doors, and the first layer of sealing cover comprises a lower cover front cover, a lower cover rear cover, a lower cover upper slide rail and a lower cover lower slide rail; the lower cover upper slide rail and the lower cover lower slide rail are flush with the top opening of the food container, and the lower cover front cover and the lower cover rear cover can slide into the space between the lower cover upper slide rail and the lower cover lower slide rail;
the second layer of sealing cover is arranged in parallel to the first layer of sealing cover and comprises an upper cover front cover, an upper cover rear cover, an upper cover upper sliding rail and an upper cover lower sliding rail; the upper cover front cover and the upper cover rear cover can slide between the upper cover upper slide rail and the upper cover lower slide rail;
the peculiar smell discharging device also comprises a first motor, a second motor, a third motor and a fourth motor; the first motor, the second motor, the third motor and the fourth motor are all electrically connected with the ECU control center, the first motor is electrically connected with the upper cover front cover, the second motor is electrically connected with the upper cover rear cover, the third motor is electrically connected with the lower cover front cover, and the fourth motor is electrically connected with the lower cover rear cover;
in step S1, the ECU control center opens the lower cover front cover and the lower cover rear cover by controlling the third motor and the fourth motor; meanwhile, the ECU control center controls the first motor and the second motor to open the front cover and the rear cover of the upper cover;
in steps S2 and S5, the ECU control center closes the lower cover front cover and the lower cover rear cover by controlling the third motor and the fourth motor; meanwhile, the ECU control center closes the upper cover front cover and the upper cover rear cover by controlling the first motor and the second motor;
in step S3, the ECU control center controls the third motor and the fourth motor to open the front cover and the rear cover of the lower cover, and opens the air conditioner in the vehicle until the electronic nose detects that the odor is at the set level, and the air conditioner in the vehicle is closed;
in step S4, the ECU control center opens the upper cover front cover and the upper cover rear cover by controlling the first motor and the second motor.
Preferably, a front air door is arranged at one end of the first ventilating pipe, which is opposite to the air conditioner in the vehicle, and a rear air door is arranged at one end of the second ventilating pipe, which is opposite to the air exhaust opening in the vehicle; the peculiar smell discharging device also comprises a fifth motor and a sixth motor, wherein the fifth motor is respectively and electrically connected with the front air door and the ECU control center, and the sixth motor is respectively and electrically connected with the rear air door and the ECU control center;
in step S3, the ECU control center controls the front and rear dampers to open by the fifth and sixth motors; in the other steps, the front air door and the rear air door are closed;
in step S3, the process of discharging the air-conditioning in the vehicle includes:
s31: the electronic nose feeds the identified odor grade back to an ECU control center;
s32: the ECU control center controls the air conditioner in the vehicle to give corresponding ventilation intensity according to the odor grade;
s33: at each preset time, the electronic nose recognizes the odor grade again;
s34: and the ECU control center controls the air conditioner in the car to be closed until the odor grade is reduced to the first grade.
Preferably, the electronic nose includes a convolutional neural network, and before step S1, the method further includes a training step of the convolutional neural network:
obtaining a plurality of different types of foods as training samples; heating different types of food, and dividing the smell of the heated food into one to four grades according to the comfort degree of 95 percent of people to the smell; inputting the odor generated after the food is heated and the corresponding odor grade into a neural network of the electronic nose; wherein, the first class smell is water vapor, and the second to fourth class smell is light to heavy peculiar smell;
subtracting the odor grade identified by the electronic nose from the actual odor grade to obtain a trained loss value, transmitting the loss value back to the convolutional neural network of the electronic nose, and adjusting the neural network of the electronic nose by using a gradient descent method according to the loss value;
and repeating the steps until the loss values of the identified odor grade and the actual odor grade output by the convolutional neural network of the electronic nose are less than the preset threshold value for more than 10 times continuously, and determining that the convolutional neural network of the electronic nose is trained completely.
The beneficial effect that technical scheme that this application provided brought includes:
1. according to the vehicle-mounted food heating device capable of discharging the peculiar smell and the peculiar smell discharging method, the food heating device comprises the food heating assembly and the peculiar smell discharging device, the food heating assembly utilizes the heat of the existing vehicle exhaust pipe, heat is exchanged for food by using a heat-conducting liquid medium for heating, energy is saved, the environment is protected, convenience and rapidness are realized, and a driver can eat the heated food on a vehicle; peculiar smell discharging equipment is on the basis of the sealed lid of food heating element's first layer, set up the sealed lid of second layer again, after food heating accomplishes, open the sealed lid of first layer, through the electron nose that trains in advance, discern the smell grade that different grade type food heating produced, when the smell grade of discerning is higher than the settlement grade, open the peculiar smell that the interior air conditioner of car discharged food heating produced, monitor the peculiar smell grade until the electron nose and reduce to the settlement grade, the sealed lid of second layer is opened, take out food, can eat the food that the heat soared like this, also can not let the peculiar smell that the food heating produced disperse to the car in make people uncomfortable, driver's experience has greatly been promoted.
2. According to the food heating device, automatic control is achieved through the ECU control center, the ECU control center controls the first layer of sealing cover and the second layer of sealing cover to be opened and closed through the motor, meanwhile, the front air door and the rear air door are controlled to be opened and closed through the motor, the first layer of sealing cover is opened firstly in combination with the odor grade monitored by the electronic nose, an air conditioner, the front air door and the rear air door in the vehicle are opened for ventilation, and when the odor grade monitored by the electronic nose is reduced to a set grade, the second layer of sealing cover is opened, and food is taken out; and then, the food heating system is recovered to the initial state, the ECU control center is controlled automatically in the whole process, the food heating state and the peculiar smell discharging state are switched in time, the peculiar smell is discharged in time, and the driving experience is good.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of a food heating apparatus (in a food placing state) provided in an embodiment of the present application.
Fig. 2 is a schematic view of a food heating apparatus (in a state of heating food) provided in an embodiment of the present application.
Fig. 3 is a schematic view illustrating that a first sealing cover and a second sealing cover of the vehicle-mounted food heating odor discharging device provided by the embodiment of the application are closed.
Fig. 4 is a schematic view illustrating that the first layer of sealing cover, the rear air door and the front air door of the vehicle-mounted food heating odor discharging device provided by the embodiment of the application are all opened.
Fig. 5 is a schematic view illustrating that both a first sealing cover and a second sealing cover of the vehicle-mounted food heating odor discharging device according to the embodiment of the present application are opened.
Fig. 6 is a flowchart illustrating heating of food and emission of an odor by the vehicle-mounted food heating and odor emission device according to the embodiment of the present application.
Fig. 7 is a flowchart of controlling the ventilation level of the air conditioner by the ECU control center according to the embodiment of the present application.
Fig. 8 is a working schematic diagram of an electronic nose when an ECU control center provided by the embodiment of the present application controls ventilation of an air conditioner.
Reference numerals:
100. a food heating assembly; 1.1, heating a pipe; 1.2, an exhaust pipe; 2.0, food container; 1.3, an inner container; 1.4, an outer container; 1.5, heat-conducting liquid medium; 1.6, a power pump; 1.7, a front cover of the lower cover; 1.8, covering the rear cover of the lower cover; 1.9 the lower cover is covered with the upper slide rail; 1.10, a lower cover lower slide rail;
200. a peculiar smell discharging device; 2. an air conditioner in the vehicle; 3. an in-vehicle exhaust port; 4. a first vent pipe; 5. a second vent pipe; 6. an ECU control center; 7. an upper cover front cover; 8. covering the rear cover; 9. the upper cover is provided with a slide rail; 10. an upper cover lower slide rail; 11. a first motor; 12. a second motor; 13. a third motor; 14. a fourth motor; 15. an electronic nose; 16. a front air door; 17. a rear air door; 18. a fifth motor; 19. a sixth motor; 20. an electric wire; 21. an air humidity sensor.
Detailed Description
The technical solution of the present application will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
As shown in fig. 3, 4 and 5, the present application discloses an embodiment of an in-vehicle food heating apparatus capable of discharging an offensive odor, which includes a food heating assembly 100 and an offensive odor discharging apparatus 200. As shown in fig. 1 and 2, the food heating assembly 100 comprises a heating tube 1.1, a power pump 1.6 and an upwardly open food container 2.0. The food container 2.0 is in a double-layer shell shape, a cavity is arranged between the double-layer shells, the cavity of the food container 2.0 is connected with the power pump 1.6 through the heating pipe 1.1 to form a circulation loop, and the inside of the circulation loop is filled with a heat-conducting liquid medium 1.5. The winding of heating pipe 1.1 is outside the blast pipe 1.2 of vehicle, and the blast pipe 1.2 of vehicle can give off the heat when exhausting, carries out the heat exchange with heating pipe 1.1, further with heat transfer to heat conduction liquid medium 1.5 in, through power pump 1.6 circulation, realizes food container 2.0's heating, only need place food can heat in the food container 2.0. Furthermore, the top surface of the food container 2.0 is provided with a first layer of sealing cover which can be opened and closed, and when the food is heated, the first layer of sealing cover is closed.
The odor emission device 200 includes an ECU (Electronic Control Unit, also called "vehicle computer" or "vehicle computer") Control center 6 and a second layer of sealing cover that can be opened and closed. The second layer of sealing cover is arranged above the first layer of sealing cover, and a first ventilating pipe 4, a second ventilating pipe 5 and an electronic nose 15 are arranged on the side wall between the first layer of sealing cover and the second layer of sealing cover. One end of the first ventilation pipe 4 and one end of the second ventilation pipe 5 vertically penetrate through the side wall between the first layer of sealing cover and the second layer of sealing cover. The electronic nose 15 divides the smells generated by heating different types of foods into multiple stages, and the higher grade of the smell represents that the smell is more pungent. The ECU control center 6 is connected with the electronic nose 15 and the in-vehicle air conditioner 2, the first ventilation pipe 4 is communicated with the in-vehicle air conditioner 2, and the second ventilation pipe 5 is communicated with the in-vehicle exhaust port 3; namely, the air conditioner 2 in the vehicle, the first ventilation pipe 4, the gap between the first layer of sealing cover and the second layer of sealing cover, the second ventilation pipe 5 and the air exhaust port 3 in the vehicle form a communicated ventilation structure. When the food in the food container 2.0 is heated, the first layer of sealing cover is opened, the air conditioner 2 in the vehicle is opened, and the second layer of sealing cover is opened until the electronic nose 15 monitors that the odor grade is reduced to a set grade. The application discloses food heating device can heat food in the car, can make the peculiar smell after heating food in time discharge again.
In one embodiment, the electronic nose 15 divides the odors generated by heating different types of food into multiple stages, specifically including: when the food is heated to generate water vapor, determining the odor of the water vapor as a primary odor; when the heated food is light-smelling food such as vegetables, steamed stuffed buns, eggs and the like, or beverage such as milk, coffee and the like, the smell generated by heating the food is determined as secondary smell; when the soaked noodles or other foods with relatively strong smell are heated, the smell generated by heating the foods is confirmed to be a tertiary smell; when leeks or other foods with very pungent odor are heated, the odor generated by heating the foods is identified as a quaternary odor.
After the food is heated, the first layer of sealing cover is opened firstly, the air conditioner 2 in the vehicle is opened for ventilation, the electronic nose 15 starts to identify the odor grade, when the odor grade is higher than one grade, the ventilation is carried out for a period of time, and when the electronic nose 15 identifies that the odor grade is reduced to one grade, the second layer of sealing cover can be opened to take out the food for enjoying. The process not only completes the heating of food, but also timely discharges the peculiar smell generated by heating the food, and greatly improves the driving experience of a driver.
In one embodiment, the odor releasing device 200 further comprises a motor, and the ECU control center 6 controls the opening and closing of the first sealing cover and the second sealing cover through the motor. The electronic nose 15 recognizes the odor grade and feeds back the odor grade to the ECU control center 6, and the ECU control center 6 controls the first layer sealing cover and the second layer sealing cover to be opened at the right time through the motor according to the received odor grade signal. Specifically, after the food is heated, the ECU control center 6 controls the first layer of sealing cover to be opened through the motor, and when the electronic nose 15 recognizes that the odor level is reduced to one level, the ECU control center 6 controls the second layer of sealing cover to be opened through the motor. The utility model provides a food heating device realizes the automatic control of the sealed lid of first layer and the sealed lid of second layer through the smell grade of ECU control center 6, motor and the 15 discernments of electron nose, realizes full automation, and control is nimble, and control efficiency is high.
In one embodiment, as shown in figures 3 and 4, the first and second layers of sealing flaps are each a split closure door to facilitate simultaneous opening of both sides. The first layer of sealing cover comprises a lower cover front cover 1.7, a lower cover rear cover 1.8, a lower cover upper slide rail 1.9 and a lower cover lower slide rail 1.10. The upper cover sliding rail 1.9 and the lower cover sliding rail 1.10 are parallel to each other, the upper cover sliding rail 1.9 and the lower cover sliding rail 1.10 are flush with the top opening of the food container 2.0, and the front cover 1.7 and the rear cover 1.8 can slide into the space between the upper cover sliding rail 1.9 and the lower cover sliding rail 1.10. The second layer of sealing cover is arranged above the first layer of sealing cover in parallel, and comprises an upper cover front cover 7, an upper cover rear cover 8, an upper cover upper slide rail 9 and an upper cover lower slide rail 10; the upper cover upper slide rail 9 and the upper cover lower slide rail 10 are arranged in parallel; the upper cover front cover 7 and the upper cover rear cover 8 can slide into the space between the upper cover upper slide rail 9 and the upper cover lower slide rail 10.
Further, the odor discharging device 200 further includes a first motor 11, a second motor 12, a third motor 13, and a fourth motor 14; the first motor 11, the second motor 12, the third motor 13 and the fourth motor 14 are all electrically connected with the ECU control center 6, the first motor 11 is electrically connected with the upper cover front cover 7, the second motor 12 is electrically connected with the upper cover rear cover 8, the third motor 13 is electrically connected with the lower cover front cover 1.7, and the fourth motor 14 is electrically connected with the lower cover rear cover 1.8. The ECU control center 6 controls the opening and closing of the first layer of sealing cover and the second layer of sealing cover by controlling the four motors.
As shown in fig. 3 and 4, in one embodiment, a front damper 16 is disposed at an end of the first ventilation duct 4 opposite to the in-vehicle air conditioner 2, and a rear damper 17 is disposed at an end of the second ventilation duct 5 opposite to the in-vehicle air outlet 3. The peculiar smell discharging device 200 further comprises a fifth motor 18 and a sixth motor 19, wherein the fifth motor 18 is respectively and electrically connected with the front air door 16 and the ECU control center 6, and the sixth motor 19 is respectively and electrically connected with the rear air door 17 and the ECU control center 6. The ECU control center 6 controls the opening and closing of the front damper 16 by the fifth motor 18, and the ECU control center 6 controls the opening and closing of the rear damper 17 by the sixth motor 18. The utility model provides a preceding air door 16 and back air door 17 make peculiar smell discharging equipment more meticulous, when needs are aired exhaust, open preceding air door 16 and back air door 17, when heating food, close preceding air door 16 and back air door 17 to realize automated control through ECU control center 6 and motor, can in time heat the switching of food state and peculiar smell discharge state.
In one embodiment, the odor discharging apparatus 200 further comprises an air humidity sensor 21, and when the air humidity sensor 21 detects that the humidity of the air in the vehicle is greater than a preset value, the ECU control center 6 controls the air conditioner 2 in the vehicle to discharge water vapor out of the vehicle; when the air humidity sensor 21 monitors that the air humidity in the vehicle is smaller than a preset value, the ECU control center 6 controls the air conditioner 2 in the vehicle to reduce the odor generated by heating food to a set level, and the second layer of sealing cover is opened to discharge the odor of the set level into the vehicle. Specifically, after heating food, firstly ventilate, fall to the one-level with the smell that the heating food produced, open the sealed lid of first layer and the sealed lid of second floor, directly discharge the vapor of one-level in the car, promote air humidity, the design hommization need not additionally make up vapor, the energy can be saved. However, after the food is heated, if the odor generated by the heated food is reduced to the first level, the air humidity sensor 21 does not start when monitoring that the air humidity in the vehicle is greater than the preset value, and the ECU control center 6 controls the air conditioner 2 in the vehicle to discharge the water vapor out of the vehicle.
In one embodiment, the food container 2.0 comprises an inner container 1.3 and an outer container 1.4 which are rectangular opening frames, the inner container 1.3 and the outer container 1.4 are sheet metal parts, and the inner container 1.3 and the outer container 1.4 are arranged at intervals. Preferably, the heating pipe 1.1 is spirally wound outside the exhaust pipe 1.2 of the vehicle for heat exchange.
The application discloses food heating device, food heating device contains food heating element 100 and peculiar smell discharging equipment 200, and food heating element 100 utilizes the heat of current vehicle blast pipe, carries out the heat exchange outside the blast pipe of vehicle through the heating pipe winding, in with heat transfer to food container through heat conduction liquid medium, carries out the food heating, and is energy-concerving and environment-protective, convenient and fast, can also eat the food after heating letting the driver on the car.
Peculiar smell discharging equipment 200 is on the basis of the first layer of sealed lid of food heating element 100, set up the sealed lid of second layer again, after food heating is accomplished, open the sealed lid of first layer, through the electron nose 15 trained in advance, discern the smell grade that different grade type food heating produced, when the smell grade of discerning is higher than the settlement grade, open the peculiar smell that the interior air conditioner of car discharged food heating produced, until the electron nose 15 monitors that the peculiar smell grade reduces to one-level vapor, the sealed lid of second layer is opened, take out food, so can eat hot food, also can not let the peculiar smell that food heating produced disperse in the car and make people uncomfortable, driver's driving experience has greatly been promoted.
According to the food heating device, automatic control is achieved through the ECU control center 6, the ECU control center 6 controls the first layer of sealing cover and the second layer of sealing cover to be opened and closed through the motor, meanwhile, the front air door 16 and the rear air door 17 are controlled to be opened and closed through the motor, the first layer of sealing cover is opened firstly in combination with the odor grade monitored by the electronic nose 15, an air conditioner in the vehicle, the front air door 16 and the rear air door 17 are opened for ventilation, and when the odor grade monitored by the electronic nose 15 is reduced to a set grade, the second layer of sealing cover is opened to take out food; then, the state is recovered to the initial state, the ECU control center 6 is controlled automatically in the whole process, the food heating state and the peculiar smell discharging state are switched in time, the peculiar smell is discharged in time, and the driving experience is good.
The application also discloses an odor emission method based on the vehicle-mounted food heating device, which comprises the following steps:
s1: starting to heat food, opening the first layer of sealing cover and the second layer of sealing cover, and putting the food;
s2: closing the first layer of sealing cover and the second layer of sealing cover, and heating the food to set time;
s3: the first layer of sealing cover is opened, the air conditioner 2 in the vehicle is opened, and the air conditioner 2 in the vehicle is closed until the electronic nose 15 monitors that the peculiar smell is in a set level;
s4: opening the second layer of sealing cover and taking out the heated food;
s5: the first layer of seal cover and the second layer of seal cover are closed.
In one embodiment, the first layer of sealing cover and the second layer of sealing cover are both split type closed doors, and the first layer of sealing cover comprises a lower cover front cover 1.7, a lower cover rear cover 1.8, a lower cover upper slide rail 1.9 and a lower cover lower slide rail 1.10; the lower cover upper slide rail 1.9 and the lower cover lower slide rail 1.10 are flush with the top opening of the food container 2.0, and the lower cover front cover 1.7 and the lower cover rear cover 1.8 can slide into the space between the lower cover upper slide rail 1.9 and the lower cover lower slide rail 1.10. The second layer of sealing cover is arranged in parallel to the first layer of sealing cover and comprises an upper cover front cover 7, an upper cover rear cover 8, an upper cover upper slide rail 9 and an upper cover lower slide rail 10; the upper cover front cover 7 and the upper cover rear cover 8 can slide into the space between the upper cover upper slide rail 9 and the upper cover lower slide rail 10. The odor discharging device 200 further comprises a first motor 11, a second motor 12, a third motor 13 and a fourth motor 14; the first motor 11, the second motor 12, the third motor 13 and the fourth motor 14 are all electrically connected with the ECU control center 6, the first motor 11 is electrically connected with the upper cover front cover 7, the second motor 12 is electrically connected with the upper cover rear cover 8, the third motor 13 is electrically connected with the lower cover front cover 1.7, and the fourth motor 14 is electrically connected with the lower cover rear cover 1.8.
In step S1, the ECU control center 6 opens the lower cover front cover 1.7 and the lower cover rear cover 1.8 by controlling the third motor 13 and the fourth motor 14; meanwhile, the ECU control center 6 opens the upper cover front cover 7 and the upper cover rear cover 8 by controlling the first motor 11 and the second motor 12; the ECU control center 6 realizes the opening work of the lower cover front cover 1.7 and the lower cover rear cover 1.8 through four motors.
In step S2, the ECU control center 6 closes the lower cover front cover 1.7 and the lower cover rear cover 1.8 by controlling the third motor 13 and the fourth motor 14. Meanwhile, the ECU control center 6 closes the upper cover front 7 and the upper cover rear 8 by controlling the first motor 11 and the second motor 12. The ECU control center 6 realizes the closing work of the lower cover front cover 1.7 and the lower cover rear cover 1.8 through four motors.
In step S3, the ECU control center 6 controls the third motor 13 and the fourth motor 14 to open the lower cover front cover 1.7 and the lower cover rear cover 1.8, and opens the in-vehicle air conditioner 2, and the in-vehicle air conditioner 2 discharges the odor from the in-vehicle exhaust port 3 until the electronic nose 15 detects that the odor is at the set level, and the in-vehicle air conditioner 2 is turned off.
In step S4, the ECU control center 6 opens the upper cover front 7 and the upper cover rear 8 by controlling the first motor 11 and the second motor 12.
In step S5, the ECU control center 6 closes the lower cover front cover 1.7 and the lower cover rear cover 1.8 by controlling the third motor 13 and the fourth motor 14; meanwhile, the ECU control center 6 closes the upper cover front 7 and the upper cover rear 8 by controlling the first motor 11 and the second motor 12.
Furthermore, a front air door 16 is arranged at one end of the first ventilation pipe 4 opposite to the air conditioner 2 in the vehicle, and a rear air door 17 is arranged at one end of the second ventilation pipe 5 opposite to the air exhaust port 3 in the vehicle; the peculiar smell discharging device 200 also comprises a fifth motor 18 and a sixth motor 19, wherein the fifth motor 18 is respectively and electrically connected with the front air door 16 and the ECU control center 6, and the sixth motor 19 is respectively and electrically connected with the rear air door 17 and the ECU control center 6;
in step S3, the ECU control center 6 controls the front and rear dampers 16 and 17 to open by the fifth and sixth motors 18 and 19; in the remaining steps, the front damper 16 and the rear damper 17 are closed.
According to the peculiar smell discharging method, automatic control is achieved through the ECU control center 6, the ECU control center 6 controls the first layer of sealing cover and the second layer of sealing cover to be opened and closed through the motor, meanwhile, the front air door 16 and the rear air door 17 are controlled to be opened and closed through the motor, the first layer of sealing cover is opened firstly in combination with the peculiar smell grade monitored by the electronic nose 15, an air conditioner in the vehicle, the front air door 16 and the rear air door 17 are opened for ventilation, and when the peculiar smell grade monitored by the electronic nose 15 is reduced to a set grade, the second layer of sealing cover is opened, and food is taken out; then, the state is recovered to the initial state, the ECU control center 6 is controlled automatically in the whole process, the food heating state and the peculiar smell discharging state are switched in time, the peculiar smell is discharged in time, and the driving experience is good.
As shown in fig. 6, in one embodiment, the detailed steps of heating food and emitting odor of the present application are as follows:
starting the food heating device, and starting the ECU control center 6;
the ECU control center 6 opens the first layer of sealing cover and the second layer of sealing cover through the motor; namely, the ECU control center 6 opens the lower cover front cover 1.7 and the lower cover rear cover 1.8 through the third motor 13 and the fourth motor 14; the ECU control center 6 opens the upper cover front cover 7 and the upper cover rear cover 8 through the first motor 11 and the second motor 12;
placing food into the food container 2.0;
the ECU control center 6 closes the front air door, the rear air door, the first layer of sealing cover and the second layer of sealing cover through the motor; the front air door and the rear air door are in a closed state in advance, namely the ECU control center 6 closes the lower cover front cover 1.7 and the lower cover rear cover 1.8 through the third motor 13 and the fourth motor 14; the ECU control center 6 closes the upper cover front cover 7 and the upper cover rear cover 8 through the first motor 11 and the second motor 12;
starting food heating, and finishing the food heating after the preset heating time is reached;
the ECU control center 6 opens the first layer of sealing cover through the motor and opens the front air door and the rear air door; specifically, the ECU control center 6 opens the lower cover front cover 1.7 and the lower cover rear cover 1.8 through the third motor 13 and the fourth motor 14; the front air door 16 is opened through a fifth motor 18, and the rear air door 17 is opened through a sixth motor 19;
the ECU control center 6 controls the ventilation of the air conditioner 2 in the vehicle, the air conditioner 2 in the vehicle ventilates through the first ventilation pipe 4, the front air door 16, the rear air door 17 and the second ventilation pipe 5, the peculiar smell generated by heating food is discharged outwards from the exhaust port 3 in the vehicle, the level of the pungent peculiar smell generated by heating the food is gradually reduced, and when the level of the peculiar smell of the food is reduced to the first level, the ECU control center 6 controls the air conditioner 2 in the vehicle to be closed;
the ECU control center 6 controls the front air door 16 and the rear air door 17 to be closed through the motor, and controls the first layer of sealing cover to be opened;
taking out the food;
the ECU control center 6 controls the first layer of sealing cover and the second layer of sealing cover through a motor.
Further, in step S3, the process of discharging the in-vehicle air conditioner 2 includes:
s31: the electronic nose 15 feeds back the identified odor grade to the ECU control center 6;
s32: the ECU control center 6 controls the air conditioner 2 in the vehicle to give corresponding ventilation intensity according to the odor grade;
s33: at each preset time, the electronic nose 15 recognizes the odor level again;
s34: until the odor level is reduced to the first level, the ECU control center 6 controls the air conditioner 2 in the vehicle to be closed.
As shown in fig. 7, the ECU control center 6 controls different ventilation intensities of the air conditioner 2 in the vehicle according to different odor levels monitored by the electronic nose 15, so that the odor level can be reduced more quickly and the odor level can be reduced to one level more quickly.
Specifically, the method comprises the following steps:
after the food heating is finished, the ECU control center 6 controls the air conditioner 2 in the vehicle to start ventilation;
the electronic nose 15 identifies the odor grade of the heated food and feeds the odor grade back to the ECU control center 6;
the ECU control center 6 controls the ventilation intensity of the in-vehicle air conditioner 2 according to the odor class, for example, when the odor class is class 4, the in-vehicle air conditioner 2 is controlled to be a super strong wind; when the odor grade is 3 grade, controlling the air conditioner 2 in the car to be strong wind; when the odor grade is grade 2, controlling the air conditioner 2 in the car to be in weak wind;
when the odor level is level 1, the ECU control center 6 controls the in-vehicle air conditioner 2 to be turned off.
Further, as shown in fig. 8, the process of the circulation control of the in-vehicle air conditioner 2 is as follows:
after the food heating is finished, the ECU control center 6 controls the air conditioner 2 in the vehicle to start ventilation;
the electronic nose 15 identifies the odor grade of the heated food and feeds the odor grade back to the ECU control center 6;
the ECU control center 6 controls the ventilation intensity of the air conditioner 2 in the vehicle according to the odor grade;
the electronic nose 15 recognizes the odor grade again at each preset time and feeds back the odor grade to the ECU control center 6, and the ECU control center 6 controls the ventilation intensity of the air conditioner 2 in the vehicle according to the odor grade;
until the odor grade is grade 1, the ECU control center 6 controls the air conditioner 2 in the vehicle to be closed.
In the above process, the ventilation intensity of the in-vehicle air conditioner 2 is gradually decreased according to the decrease in the odor level.
In one embodiment, the electronic nose 15 includes a convolutional neural network, and before step S1, the method further includes a training step of the convolutional neural network:
obtaining a plurality of different types of foods as training samples; heating different types of food, and dividing the smell of the heated food into one to four grades according to the comfort degree of 95 percent of people to the smell; inputting the odor generated after the food is heated and the corresponding odor grade into the neural network of the electronic nose 15; wherein, the first class smell is water vapor, and the second to fourth class smell is light to heavy peculiar smell;
subtracting the odor grade identified by the electronic nose 15 from the actual odor grade to obtain a trained loss value, transmitting the loss value back to the convolutional neural network of the electronic nose 15, and adjusting the neural network of the electronic nose 15 by using a gradient descent method according to the loss value;
and repeating the steps until the loss values of the identified odor grade and the actual odor grade output by the convolutional neural network of the electronic nose 15 are less than the preset threshold value for more than 10 times continuously, and determining that the training of the convolutional neural network of the electronic nose 15 is completed.
The utility model provides a food heating device sets up electronic nose 15 to utilize neural network discernment smell to the influence of people's comfort level, classify people's daily food according to the smell grade, through a large amount of training, reach the automatic response to different grades of smells of system, the automatic start air conditioner carries out the strong ventilation or weak ventilation and gets rid of the food peculiar smell in the device, makes the interior air of car not receive the influence of food smell, gives the better experience of interior personnel of car.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A vehicle-mounted food heating device capable of discharging peculiar smell is characterized by comprising:
the food heating assembly (100) comprises a heating pipe (1.1), a power pump (1.6) and a food container (2.0) with an upward opening, wherein the food container (2.0) is in a double-layer shell shape and is connected with the power pump (1.6) through the heating pipe (1.1) to form a circulation loop, and the inside of the circulation loop is filled with a heat-conducting liquid medium (1.5); the heating pipe (1.1) is wound outside an exhaust pipe (1.2) of the vehicle; the top surface of the food container (2.0) is provided with a first layer of sealing cover which can be opened and closed;
the peculiar smell discharging device (200) comprises an ECU control center (6) and a second layer of sealing cover which can be opened and closed; the second layer of sealing cover is arranged above the first layer of sealing cover, a first ventilation pipe (4), a second ventilation pipe (5) and an electronic nose (15) are vertically arranged on the side wall between the first layer of sealing cover and the second layer of sealing cover, and the electronic nose (15) is internally divided into multiple stages for smells generated by heating different types of foods; the ECU control center (6) is connected with the electronic nose (15) and the in-vehicle air conditioner (2), the first ventilation pipe (4) is communicated with the in-vehicle air conditioner (2), and the second ventilation pipe (5) is communicated with the in-vehicle air exhaust opening (3);
when the food in the food container (2.0) is heated, the first layer of sealing cover is opened, the air conditioner (2) in the vehicle is opened until the electronic nose (15) monitors that the odor level is reduced to a set level, and the second layer of sealing cover is opened.
2. The vehicle-mounted food heating device capable of discharging odor according to claim 1, characterized in that: the peculiar smell discharging device (200) further comprises a motor, and the ECU control center (6) controls the opening and closing of the first layer of sealing cover and the second layer of sealing cover through the motor.
3. The vehicle-mounted food heating device capable of discharging the peculiar smell according to claim 2, characterized in that: the first layer of sealing cover and the second layer of sealing cover are both split type sealing doors, and the first layer of sealing cover comprises a lower cover front cover (1.7), a lower cover rear cover (1.8), a lower cover upper slide rail (1.9) and a lower cover lower slide rail (1.10); the upper lower cover sliding rail (1.9) and the lower cover sliding rail (1.10) are flush with the top opening of the food container (2.0), and the front lower cover (1.7) and the rear lower cover (1.8) can slide into the space between the upper lower cover sliding rail (1.9) and the lower cover sliding rail (1.10);
the second layer of sealing cover is arranged in parallel to the first layer of sealing cover and comprises an upper cover front cover (7), an upper cover rear cover (8), an upper cover upper slide rail (9) and an upper cover lower slide rail (10); the upper cover front cover (7) and the upper cover rear cover (8) can slide into the space between the upper cover upper slide rail (9) and the upper cover lower slide rail (10).
4. The vehicle-mounted food heating device capable of discharging the peculiar smell according to claim 3, characterized in that: the peculiar smell discharging device (200) further comprises a first motor (11), a second motor (12), a third motor (13) and a fourth motor (14); first motor (11), second motor (12), third motor (13) and fourth motor (14) all with ECU control center (6) electricity is connected, first motor (11) is connected with upper cover protecgulum (7) electricity, lid (8) electricity is connected behind second motor (12) and the upper cover, third motor (13) is connected with lower cover protecgulum (1.7) electricity, lid (1.8) electricity is connected behind fourth motor (14) and the lower cover.
5. The vehicle-mounted food heating device capable of discharging odor according to claim 1, characterized in that: a front air door (16) is arranged at one end of the first ventilation pipe (4) opposite to the air conditioner (2) in the vehicle, and a rear air door (17) is arranged at one end of the second ventilation pipe (5) opposite to the air exhaust port (3) in the vehicle;
the peculiar smell discharging device (200) further comprises a fifth motor (18) and a sixth motor (19), the fifth motor (18) is electrically connected with the front air door (16) and the ECU control center (6) respectively, and the sixth motor (19) is electrically connected with the rear air door (17) and the ECU control center (6) respectively.
6. The vehicle-mounted food heating device capable of discharging odor according to claim 1, characterized in that: the peculiar smell discharging device (200) further comprises an air humidity sensor (21), when the air humidity sensor (21) monitors that the air humidity in the vehicle is larger than a preset value, the ECU control center (6) controls the air conditioner (2) in the vehicle to discharge water vapor out of the vehicle, when the air humidity sensor (21) monitors that the air humidity in the vehicle is smaller than the preset value, the ECU control center (6) controls the air conditioner (2) in the vehicle to reduce the smell generated by heating food to a set level, and the second layer of sealing cover is opened to discharge the set level into the vehicle.
7. An odor emission method of the vehicle-mounted food heating device according to claim 1, comprising the steps of:
s1: opening the first layer of sealing cover and the second layer of sealing cover, and putting food;
s2: closing the first layer of sealing cover and the second layer of sealing cover, and heating the food to set time;
s3: the first layer of sealing cover is opened, the air conditioner (2) in the vehicle is opened until the electronic nose (15) monitors that the peculiar smell is in a set level, and the air conditioner (2) in the vehicle is closed;
s4: opening the second layer of sealing cover and taking out the heated food;
s5: the first layer of seal cover and the second layer of seal cover are closed.
8. The odor exhausting method as set forth in claim 7, wherein: the first layer of sealing cover and the second layer of sealing cover are both split type sealing doors, and the first layer of sealing cover comprises a lower cover front cover (1.7), a lower cover rear cover (1.8), a lower cover upper slide rail (1.9) and a lower cover lower slide rail (1.10); the upper lower cover sliding rail (1.9) and the lower cover sliding rail (1.10) are flush with the top opening of the food container (2.0), and the front lower cover (1.7) and the rear lower cover (1.8) can slide into the space between the upper lower cover sliding rail (1.9) and the lower cover sliding rail (1.10);
the second layer of sealing cover is arranged in parallel to the first layer of sealing cover and comprises an upper cover front cover (7), an upper cover rear cover (8), an upper cover upper slide rail (9) and an upper cover lower slide rail (10); the upper cover front cover (7) and the upper cover rear cover (8) can slide into the space between the upper cover upper slide rail (9) and the upper cover lower slide rail (10);
the peculiar smell discharging device (200) further comprises a first motor (11), a second motor (12), a third motor (13) and a fourth motor (14); the first motor (11), the second motor (12), the third motor (13) and the fourth motor (14) are electrically connected with the ECU control center (6), the first motor (11) is electrically connected with the upper cover front cover (7), the second motor (12) is electrically connected with the upper cover rear cover (8), the third motor (13) is electrically connected with the lower cover front cover (1.7), and the fourth motor (14) is electrically connected with the lower cover rear cover (1.8);
in step S1, the ECU control center (6) opens the lower cover front cover (1.7) and the lower cover rear cover (1.8) by controlling the third motor (13) and the fourth motor (14); meanwhile, the ECU control center (6) opens the upper cover front cover (7) and the upper cover rear cover (8) by controlling the first motor (11) and the second motor (12);
in steps S2 and S5, the ECU control center (6) closes the lower cover front cover (1.7) and the lower cover rear cover (1.8) by controlling the third motor (13) and the fourth motor (14); meanwhile, the ECU control center (6) closes the upper cover front cover (7) and the upper cover rear cover (8) by controlling the first motor (11) and the second motor (12);
in step S3, the ECU control center (6) controls the third motor (13) and the fourth motor (14) to open the lower cover front cover (1.7) and the lower cover rear cover (1.8), and opens the in-vehicle air conditioner (2), until the electronic nose (15) detects that the odor is at the set level, and the in-vehicle air conditioner (2) is turned off;
in step S4, the ECU control center (6) opens the upper cover front cover (7) and the upper cover rear cover (8) by controlling the first motor (11) and the second motor (12).
9. The odor exhausting method as set forth in claim 8, wherein: a front air door (16) is arranged at one end of the first ventilation pipe (4) opposite to the air conditioner (2) in the vehicle, and a rear air door (17) is arranged at one end of the second ventilation pipe (5) opposite to the air exhaust port (3) in the vehicle; the peculiar smell discharging device (200) further comprises a fifth motor (18) and a sixth motor (19), wherein the fifth motor (18) is respectively and electrically connected with the front air door (16) and the ECU control center (6), and the sixth motor (19) is respectively and electrically connected with the rear air door (17) and the ECU control center (6);
in step S3, the ECU control center (6) controls the front damper (16) and the rear damper (17) to open by the fifth motor (18) and the sixth motor (19); in the other steps, the front air door (16) and the rear air door (17) are closed;
in step S3, the process of discharging the in-vehicle air conditioner (2) includes:
s31: the electronic nose (15) feeds the identified odor grade back to the ECU control center (6);
s32: the ECU control center (6) controls the air conditioner (2) in the vehicle to give corresponding ventilation strength according to the odor grade;
s33: at each preset time, the electronic nose (15) recognizes the odor grade again;
s34: until the odor grade is reduced to the first grade, the ECU control center (6) controls the air conditioner (2) in the vehicle to be closed.
10. The odor emission method according to claim 8, wherein the electronic nose (15) includes a convolutional neural network, and prior to the step S1, further comprising a training step of the convolutional neural network:
obtaining a plurality of different types of foods as training samples; heating different types of food, and dividing the smell of the heated food into one to four grades according to the comfort degree of 95 percent of people to the smell; inputting the odor generated after the food is heated and the corresponding odor grade into a neural network of the electronic nose (15); wherein, the first class smell is water vapor, and the second to fourth class smell is light to heavy peculiar smell;
subtracting the odor grade recognized by the electronic nose (15) from the actual odor grade to obtain a trained loss value, transmitting the loss value back to the convolutional neural network of the electronic nose (15), and adjusting the neural network of the electronic nose (15) by using a gradient descent method according to the loss value;
and repeating the steps until the loss values of the identified odor grade and the actual odor grade output by the convolutional neural network of the electronic nose (15) are less than the preset threshold value for more than 10 times continuously, and determining that the training of the convolutional neural network of the electronic nose (15) is completed.
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